Here is what worked for me - I have been messing around with it for weeks trying to get a better deal, and finally hit on one that worked!
Product rate code 5000304 (this is from walmart)
Product rate code CAW3 (this was from a national ad in working mother magazine)
Coupon ID from the National site Coupon ID: ND9172JDF ($25 off) (went to the national site and clicked on the specials to get to this coupon.
My dates are 1/25 - 2/1 MCO to MCO - Good Luck & Hope you can save some $$$ too!!
Paula in CT